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seaweeds photo index
seaweeds in general > Division Chlorophyta | Division Cyanophyta | Division Phaeophyta | Division Rhodophyta
Text index of seaweeds on Singapore shores
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Division Chlorophyta green seaweeds
prp
chg
ubn
cj
skd
bb
tus
ecp
tm
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
   
     
cj
skd
bb
tus
ecp
lab
 
cyr
kus
laz
 
sis
 
tkr
hnt
tpg
smk
tsm
 
lfa
  Avrainvillea erecta
Solitary fan seaweed
         
bb
 
tm
lab
snt
           
tkr
 
tpg
     
lfa
  Avrainvillea sp.
Clustered fan seaweed
             
 
lab
 
cyr
 
laz
 
sis
jng
tkr
hnt
tpg
smk
tsm
 
lfa
  Boergesenia forbesii
Bubble green seaweed
                     
cyr
                          Boodlea sp.
Fuzzy green seaweed
     
cj
     
   
snt
cyr
kus
 
sji
sis
jng
 
hnt
tpg
smk
tsm
rfl
lfa
  Bornetella sp.
Green sea sausage seaweed
prp
chg
 
cj
skd
bb
 
ecp
tm
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
 
Bryopsis sp.
Hairy green seaweed
             
                                  Genus Caulerpa
     
cj
skd
bb
 
ecp
   
snt
cyr
       
jng
   
tpg
smk
tsm
     
Caulerpa cupressoides
Zipper green seaweed
 
chg
ubn
cj
skd
bb
tus
 
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
 
lfa
 
Caulerpa lentillifera
Round sea grapes
       
skd
 
tus
   
snt
cyr
 
laz
sji
sis
jng
   
tpg
   
rfl
lfa
 
Caulerpa mexicana
Mexican feathery green seaweed
     
cj
 
bb
tus
ecp
tm
lab
snt
   
laz
 
sis
jng
 
hnt
 
smk
tsm
 
lfa
 
Caulerpa peltata
Big parasol green seaweed
       
skd
 
tus
ecp
tm
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
 
Caulerpa racemosa
Oval sea grapes
             
tm
lab
snt
 
kus
laz
 
sis
jng
tkr
hnt
tpg
 
tsm
rfl
lfa
  Caulerpa racemosa var peltata
Small parasol green seaweed
 
chg
 
cj
skd
   
tm
lab
snt
                           
Caulerpa scalpelliformis
Scalpel feathery green seaweed
           
tus
 
lab
snt
cyr
   
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
 
Caulerpa serrulata
Serrated green seaweed
 
chg
ubn
cj
skd
bb
tus
ecp
 
lab
snt
       
sis
jng
tkr
   
smk
   
lfa
 
Caulerpa sertularioides
Broad feathery green seaweed
 
chg
ubn
cj
skd
bb
tus
ecp
tm
lab
snt
cyr
 
laz
sji
sis
jng
tkr
   
smk
 
rfl
lfa
 
Caulerpa taxifolia
Narrow feathery green seaweed
     
cj
skd
 
tus
tm
lab
   
kus
   
sis
 
tkr
 
tpg
   
rfl
    Caulerpa verticillata
Fluffy green seaweeds
             
 
lab
 
cyr
                          Caulerpa webbiana
Bottlebrush green seaweeds
 
chg
 
cj
     
 
lab
snt
cyr
kus
laz
 
sis
jng
tkr
hnt
 
smk
tsm
rfl
lfa
  Chaetomorpha sp.
Bee hoon green seaweed
                   
cyr
   
sis
jng
tkr
hnt
tpg
tsm
rfl
lfa
  Cladophoropsis vaucheriaeformis
Smooth sponge green seaweed
         
bb
tus
tm
lab
snt
cyr
 
laz
 
sis
jng
tkr
   
smk
tsm
rfl
lfa
  Codium sp.
Codium green seaweeds
             
     
cyr
 
laz
 
sis
jng
 
hnt
tpg
smk
 
rfl
lfa
  Dictyosphaeria sp.
Pimply green seaweed
 
chg
 
cj
   
tus
tm
lab
snt
cyr
 
laz
 
sis
jng
   
tpg
          Enteromorpha sp.
Turf green seaweed
             
                                  Halimeda sp. Coin green seaweed
     
cj
skd
bb
tus
ecp
 
lab
snt
cyr
kus
 
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
  Halimeda sp.
Big coin green seaweed
     
cj
skd
bb
tus
 
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
lfa
  Halimeda sp.
Small coin green seaweed
   
ubn
cj
 
bb
tus
 
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
  Neomeris sp.
'Taugeh' seaweed
             
   
snt
   
laz
sji
sis
jng
tkr
         
lfa
  Parvocaulis parvulus
Daisy green seaweed
     
cj
skd
bb
tus
 
lab
         
sis
     
tpg
          Udotea sp.
Frilly fan green seaweed
             
                                  Ulva sp. Sea lettuce
 
chg
 
cj
skd
 
tus
ecp
tm
lab
snt
cyr
   
sji
   
tkr
              Ulva lactuca
Common sea lettuce
prp
chg
ubn
cj
skd
 
tus
ecp
tm
lab
snt
 
kus
laz
   
jng
 
hnt
 
smk
        Ulva reticulata
Ribbon sea lettuce
                 
lab
snt
cyr
kus
 
sji
                    Valonia sp.
Beaded cushion green seaweed

Division Phaeophyta brown seaweeds
prp
chg
ubn
cj
skd
bb
tus
ecp
tm
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
   
             
                                  awaiting identification
             
 
lab
snt
cyr
 
laz
sji
                    No vein branch brown seaweed
             
                                   
       
skd
bb
 
ecp
tm
lab
snt
cyr
 
laz
sji
sis
jng
tkr
              Colpomenia sinuosa
Puffy brown seaweed
prp
chg
ubn
 
skd
 
tus
ecp
 
lab
snt
 
kus
 
sji
sis
   
hnt
 
smk
tsm
 
lfa
  Dictyota sp.
Strap brown seaweed
             
 
lab
snt
cyr
 
laz
sji
   
tkr
 
tpg
     
lfa
  Dictyota sp.
Bluish Y-branch brown seaweed
             
   
snt
cyr
 
laz
   
jng
tkr
              Dictyopteris sp.
'Veined' branch brown seaweed
                                   
hnt
            Hydroclathrus clathratus
Perforated brown seaweed
             
ecp
tm
lab
snt
cyr
 
laz
sji
sis
                  Lobophora variegata
Bracket brown seaweed
 
chg
 
cj
skd
 
tus
ecp
tm
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
 
lfa
  Padina sp.
Mermaid's fan seaweed
             
                                  Sargassum sp.
Sargassum seaweed
           
tus
ecp
tm
 
snt
cyr
 
laz
sji
sis
jng
tkr
hnt
tpg
tsm
 
lfa
  Broad-bladed sargassum
             
tm
lab
snt
cyr
 
laz
sji
sis
jng
tkr
 
tsm
 
lfa
  Narrow-bladed sargassum
             
tm
lab
snt
cyr
kus
 
sji
sis
jng
tkr
hnt
 
smk
   
lfa
  Small-bladed sargassum
             
       
kus
 
sji
sis
       
smk
 
rfl
 
Turbinaria sp.
Pyramid seaweed

Division Rhodophyta red seaweeds
prp
chg
ubn
cj
skd
bb
tus
ecp
tm
lab
snt
cyr
kus
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
   
             
                                  awaiting identification
             
 
lab
 
cyr
   
sji
 
jng
 
hnt
 
smk
        Broad strap red seaweed
 
chg
    skd    
ecp
tm
         
sji
sis
   
hnt
 
smk
   
lfa
 
             
 
lab
snt
     
sji
sis
 
tkr
   
 
rfl
    Fluffy red seaweed
             
 
lab
 
cyr
   
sji
sis
   
hnt
            Fringed red seaweed
                                                   
             
                                   
             
 
lab
snt
cyr
 
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
 
lfa
  Encrusting coralline algae
             
                                  Pom-pom red seaweed
 
chg
 
cj
skd
 
tus
ecp
tm
lab
snt
cyr
kus
             
smk
        Slender pom-pom red seaweed
             
   
snt
cyr
 
laz
sji
sis
jng
tkr
   
smk
tsm
rfl
lfa
  Thick pom-pom red seaweed
             
   
snt
     
sji
sis
jng
     
smk
tsm
rfl
lfa
  Flat pom-pom red seaweed
             
                                   
 
ubn
cj
skd
bb
tus
ecp
tm
lab
snt
cyr
kus
   
sis
jng
tkr
hnt
tpg
smk
tsm
 
lfa
  Acanthophora sp.
Spiny red seaweed
                   
snt
                            Acrocystis nana
Pimply red seaweed
             
 
lab
snt
 
kus
   
sis
           
rfl
    Asparagopsis sp.
Cat's tail red seaweed
                 
lab
snt
                            Bostrychia sp.
Tiny ferny red seaweed
                 
lab
snt
cyr
     
sis
jng
 
hnt
 
smk
tsm
 
lfa
  Ceratodictyon spongiosum
Holey sponge seaweed
             
     
cyr
     
sis
jng
 
hnt
tpg
smk
tsm
 
lfa
  Eucheuma sp.
Bumpy finger seaweed
             
                                  Gracilaria sp.
Agar-agar seaweed
prp
chg
ubn
cj
skd  
tus
ecp
tm
lab
snt
   
laz
       
hnt
            Gracilaria sp.
Short agar-agar red seaweed
 
chg
ubn
cj
skd    
ecp
tm
                                Gracilaria sp.
Slender agar-agar red seaweed
             
ecp
 
lab
                              Gracilaria corticata
Fringed ribbon red seaweed
prp
   
cj
skd
bb
tus
tm
lab
snt
cyr
kus
   
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
  Gracilaria salicornia
Knobbly agar-agar red seaweed
             
                                  Halymenia sp.
Halymenia red seaweed
       
skd
bb
 
 
lab
snt
cyr
 
laz
sji
sis
jng
tkr
hnt
tpg
smk
tsm
rfl
lfa
  Halymenia sp.
Flat halymenia red seaweed
     
cj
skd
   
 
lab
           
jng
     
smk
tsm
      Halymenia sp.
Feathery halymenia red seaweed
         
bb
 
 
lab
snt
cyr
kus
laz
 
sis
jng
tkr
tpg
smk
tsm
rfl
lfa
  Halymenia sp.
Branched halymenia
       
skd
bb
 
 
lab
snt
     
sji
sis
jng
 
hnt
 
smk
 
rfl
lfa
  Halymenia maculata
Frilly sheet red seaweed
     
cj
skd    
 
lab
snt
       
sis
 
tkr
hnt
tpg
smk
tsm
 
lfa
  Hypnea sp.
Prickly red seaweed
             
 
lab
snt
cyr
   
sji
     
hnt
tpg
 
tsm
 
lfa
  Hypnea pannosa
Spiky ball seaweed
             
     
cyr
     
sis
jng
 
hnt
tpg
smk
tsm
rfl
lfa
  Martensia sp.
Lacy seaweed
                     
cyr
                     
lfa
  Portieria hornemannii
Net red seaweed
prp
 
ubn
cj
skd
bb
tus
 
lab
snt
cyr
         
tkr
hnt
 
smk
tsm
      Solieria robusta
Robust red seaweed

in red are those listed among the threatened plants of Singapore from Ng, P. K. L. & Y. C. Wee, 1994. The Singapore Red Data Book: Threatened Plants and Animals of Singapore.

Northern shores
ecp: east coast park, tm: tanah merah, prp: pasir ris park, chg: changi,
ubn:
pulau ubin (other than cj) cj: chek jawa, skd: pulau sekudu, bb: beting bronok, tus: tuas
Southern shores
lab: labrador, snt: sentosa, cyr: cyrene reef, kus: kusu island, laz: lazarus island, sji: st. john's island, sis: sisters islands,
jng
:
pulau jong, tkr: pulau tekukor, hnt: pulau hantu, tpg: terumbus pempang darat, tengah and laut, smk: pulau semakau,
tsm
: submerged reefs off semakau - terumbu raya, beting bemban besar, terumbu bemban, terumbu semakau, rfl: raffles lighthouse, lfa: live firing area (Salu, Sudong, Pawai, Senang, Biola and submerged reefs in the area)

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photo index of
seaweeds on this site
all seaweeds

Green seaweeds


sheets, ribbons, filaments

feathery,
serrated strips


spheres, sausages, blobs

fans, disks, branched

Red seaweeds

sheets, ribbons


fleshy stems

hairy, feathery, others


Brown seaweeds

sheets, ribbons


disks, other shapes
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